Marine Clock

Marine Clock

A Marine Clock is a device used to measure time and determine the position of a ship. It is usually waterproof, shock-resistant and highly accurate, and can be used in harsh offshore environments. Navigation bells are commonly used in operations such as ship navigation, diving and ship navigation.
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Description
Technical Parameters

A Marine Clock is a device used to measure time and determine the position of a ship. It is usually waterproof, shock-resistant and highly accurate, and can be used in harsh offshore environments. Navigation bells are commonly used in operations such as ship navigation, diving and ship navigation.

 

Overview

 

The CZ-01 quartz ship clock is a new product that combines electronic technology with traditional mechanical clock manufacturing technology. The movement is made of metal materials. The finished product uses a high-frequency crystal to drive a stepper motor through a CMOS integrated circuit to drive the pointer to indicate time. It has the characteristics of accurate timing, reliable operation, easy use, low power consumption, etc., and is suitable for ship clocks and other timing clocks.

 

Working principle

 

After the 194304MHz quartz resonator generates oscillation through the integrated circuit, it drives the stepper motor through frequency division, power amplification and other processes, and then drives the pointer and second hand through the transmission gear train. The operation mode is second jump.

 

Instructions for use

 

1. After unpacking, first read the instruction manual and check that the accessories are complete.

2. Install the battery: Press the clock case by hand and rotate the red mark on the door handle to the direction of the clock face as shown in the figure, pull it out, open the clock case, put the battery into the battery box in the positive and negative direction, and the clock will start running. Close the clock case and turn the door handle to lock it.

3. Needle pulling: Rotate the needle pulling handle to pull the minute hand and hour hand to the required position. You can pull it forward or backward.

4. Fixing method:

(1) Can be hung.

(2) Fixed installation: Open the clock case according to the second method, use 3 screws and washers to penetrate into the three moisture-proof rubber ring holes at the bottom, and fix it on the wall board.

Note: The 12 o'clock and 6 o'clock positions on the clock face should be installed vertically.

 

Attachment details

 

Instructions: 1 copy

Fixing screws (φ3×20): 3 pcs.

Ship inspection certificate: 1 copy

Washers: 3 pcs

Battery R14C (No. 2): 1

 

2
4

 

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Main technical conditions

 

1. Quartz resonator

4.194304MHz

2. Integrated circuit

pulse width 46.875ms, output frequency 0.5Hz.

3. Transducer

a pair of pole eccentric stepper motors, the minute hand output torque is greater than 8×10-3Nm.

4. Travel time accuracy

+24℃±3℃, the error is less than 10 seconds/month.

5. Operating temperature range

-10℃~+50℃

6. One AA battery can be used for more than one year.

7. Anti-vibration and impact performance

(1) Vibration: 80Hz, 2g; impact 5g, 30 minutes, can work normally.

8. Antimagnetic performance

not less than 7 oersteds.

9. Specifications

φ208×62mm, weight about 1.2kg, clock face diameter 150mm.